WebElements Periodic Table of the Elements | Tungsten

Tungsten compounds: tungsten hexafluoride

The tungsten in tungsten hexafluoride formally is in the oxidation state 6.

Tungsten hexafluoride

Formula as often written: WF₆
Hill system formula: F₆W₁
CAS registry number: [7783-82-6]
Formula weight: 297.83
Class: fluoride

Synonyms

tungsten hexafluoride
tungsten(VI) fluoride
tungsten fluoride

Physical properties

Colour: colourless
Appearance: gas
Melting point: 2°C
Boiling point: 17°C
Density: 13.1 g l^-1

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Element analysis

Element percentages for the elements in tungsten hexafluoride
Element	%
F	38.27
W	61.73

Synthesis

Not available

Solid state structure

Geometry of tungsten: 6 coordinate: octahedral
Prototypical structure:

Crystal structure of tungsten hexafluoride

Isotope pattern

What follows is the calculated isotope pattern for the WF₆ unit with the most intense ion set to 100%.

Formula: W₁F₆

mass  %
294   0.4 
295   0.0 
296  85.8 ___________________________________________
297  46.6 _______________________
298 100.0 __________________________________________________
299   0.0 
300  93.2 _______________________________________________

References

The data on these compounds pages are assembled and adapted from the primary literature and several other sources including the following.

R.T. Sanderson in Chemical Periodicity, Reinhold, New York, USA, 1960.
N.N. Greenwood and A. Earnshaw in Chemistry of the Elements, 2nd edition, Butterworth, UK, 1997.
F.A. Cotton, G. Wilkinson, C.A. Murillo, and M. Bochmann, in Advanced Inorganic Chemistry, John Wiley & Sons, 1999.
A.F. Trotman-Dickenson, (ed.) in Comprehensive Inorganic Chemistry, Pergamon, Oxford, UK, 1973.
R.W.G. Wyckoff, in Crystal Structures, volume 1, Interscience, John Wiley & Sons, 1963.
A.R.West in Basic solid state chemistry Chemistry, John Wiley & Sons, 1999.
A.F. Wells in Structural inorganic chemistry, 4th edition, Oxford, UK, 1975.
J.D.H. Donnay, (ed.) in Crystal data determinative tables, ACA monograph number 5, American Crystallographic Association, USA, 1963.
D.R. Lide, (ed.) in Chemical Rubber Company handbook of chemistry and physics, CRC Press, Boca Raton, Florida, USA, 77th edition, 1996.
J.W. Mellor in A comprehensive treatise on inorganic and theoretical chemistry, volumes 1-16, Longmans, London, UK, 1922-1937.
J.E. Macintyre (ed.) in Dictionary of inorganic compounds, volumes 1-3, Chapman & Hall, London, UK, 1992.